c('PL_unify_thread_id')

SWI-Prolog Did You Know Did you know? SWI-Prolog has Multi-Thread support

Search Documentation:

PL_unify_thread_id()

HOME
DOWNLOAD
DOCUMENTATION
- Manual
- Packages
- FAQ
- Command line
- PlDoc
- Bluffers▶
- License
- Publications
- Rev 7 Extensions
TUTORIALS
- Beginner▶
- Advanced▶
- Web applications▶
- Semantic web▶
  - ClioPatria
  - RDF namespaces
- Graphics▶
  - XPCE
  - GUI options
- Machine learning▶
  - Probabilistic Logic Programming
- External collections▶
  - Meta level tutorials
- For packagers▶
  - Linux packages
COMMUNITY
COMMERCIAL
WIKI
- Login
- View changes
- Sandbox
- Wiki help
- All tags

Documentation
- Reference manual
  - Multithreaded applications
    - Multithreaded mixed C and Prolog applications
      - A Prolog thread for each native thread (one-to-one)
        
        PL_thread_self()
        
        PL_unify_thread_id()
        
        PL_thread_attach_engine()
        
        PL_thread_destroy_engine()
        
        PL_thread_at_exit()
- Packages

Availability:C-language interface function

int PL_unify_thread_id(term_t t, int i)

Unify t with the Prolog thread identifier for thread i. Thread identifiers are normally returned from PL_thread_self(). Returns -1 if the thread does not exist or the unification fails.